FLEXIBLE RECHARGEABLE BATTERY

A flexible rechargeable battery includes: a first conductive substrate; a second conductive substrate facing the first conductive substrate; and a sealant at edges of the first conductive substrate and the second conductive substrate. The first conductive substrate includes a first resin layer, a first barrier layer, a second resin layer, a first electrode current collector layer, and a first electrode coating layer that are sequentially stacked inward from a first side of the flexible rechargeable battery. The second conductive substrate includes a third resin layer, a second barrier layer, a fourth resin layer, a second electrode current collector layer, and a second electrode coating layer that are sequentially stacked inward from a second side of the flexible rechargeable battery.

SOLAR CELL HAVING A BUFFER LAYER WITH LOW LIGHT LOSS

Provided is a solar cell that includes: a substrate; a first electrode disposed on the substrate; a light absorbing layer disposed on the first electrode; a buffer layer disposed on the light absorbing layer; and a second electrode disposed on the buffer layer, wherein the buffer layer contains a compound represented by one of the following Formulas 1 and 2: 1. A solar cell , comprising:a substrate;a first electrode disposed on the substrate;a light absorbing layer disposed on the first electrode;a buffer layer disposed on the light absorbing layer; anda second electrode disposed on the buffer layer, [{'br': None, 'sub': 1-x', 'x, '(InGa)2O3\u2003\u2003Formula 1'}, {'br': None, 'sub': 1-x', 'x, '(InAl)2O3\u2003\u2003Formula 2'}], 'wherein the buffer layer contains a compound represented by one of the following Formulas 1 and 2where x is 0 Подробнее

COMPOUND SEMICONDUCTOR IMAGE SENSOR

A stack-type image sensor using a compound semiconductor. The stack-type image sensor includes a stack of photoelectric conversion units which are sequentially arranged in a light incident direction and which absorb light in ascending order of a wavelength from shortest to longest. 1. An image sensor comprising:a multi-layered I-III-VI-based photoelectric conversion unit which absorbs light of wavelength bands in steps; anda substrate which supports the multi-layered I-III-VI-based photoelectric conversion unit, a first photoelectric conversion unit including a I-III-VI-based material layer which absorbs light of a first wavelength band;', 'a second photoelectric conversion unit including a I-III-VI-based material layer which absorbs light of a second wavelength band longer than the first wavelength band; and', 'a third photoelectric conversion unit including a I-III-VI-based material layer which absorbs light of a third wavelength band longer than the second wavelength band, and, 'wherein the multi-layered I-III-VI-based photoelectric conversion unit comprises{'sub': 2', '(1-x)', 'x', '2', '(1-y)', 'y', '2, 'wherein the first photoelectric conversion unit includes a CuGaSlayer, the second photoelectric conversion unit includes a CuGaFeSlayer (0.059≦x≦0.069), and the third photoelectric conversion unit includes a CuGaFeSlayer (0.123≦y≦0.133).'}2. The image sensor of claim 1 , further comprising an insulating layer disposed between the first and second conversion units and between the second and third photoelectric conversion units.3. The image sensor of claim 1 , further comprising a complementary metal oxide semiconductor circuit unit disposed on the substrate and electrically connected to the photoelectric conversion unit.4. The image sensor of claim 1 , wherein the first photoelectric conversion unit comprises a bandwidth of 2.75(±0.05) eV claim 1 , the second photoelectric conversion unit comprises a bandwidth of 2.25(±0.05) eV claim 1 , and the third ...

Gas injection device and solar cell manufacturing method using the same

A solar cell manufacturing method includes forming a first electrode on a substrate, forming a mixed metal layer on the first electrode, forming a light absorbing layer by injecting hydrogen selenide on the entire surface of the mixed metal layer using a gas injection device, and forming a second electrode on the light absorbing layer. Further, the gas injection device includes a gas pipeline, an inner gas pipe positioned in the gas pipeline and having an opening, and a plurality of injection nozzles disposed below the gas pipeline.

SOLAR CELL

A solar cell in which the P-type light absorbing layer is thin, and the nanoparticles are disposed. Although the P-type light absorbing layer is thin, the light absorption efficiency may be increased by the use of nanoparticles. Accordingly, the P-type light absorbing layer is formed thin, and thereby the material cost may be reduced and the process time may be shortened. 1. A solar cell comprising:a first reflective electrode layer and a second transparent electrode layer facing each other;a P-type light absorbing layer and a N-type light absorbing layer disposed between the first reflective electrode layer and the second transparent electrode layer; anda plurality of nanoparticles disposed at an interface between the first reflective electrode layer and the P-type light absorbing layer.2. The solar cell of claim 1 , whereinthe P-type light absorbing layer has a thickness of about 0.2μm to about 1.5 μm.3. The solar cell of claim 2 , whereinthe thickness of the P-type light absorbing layer is about 0.5 μm.4. The solar cell of claim 3 , whereina space between the nanoparticles is less than about 1000 nm, and the size of the nanoparticles is more than about 60 nm.5. The solar cell of claim 2 , whereinthe thickness of the P-type light absorbing layer is about 1.0 μm.6. The solar cell of claim 5 , whereinthe space between the nanoparticles is less than about 1000 nm, and the size of the nanoparticles is more than about 100 nm.7. The solar cell of claim 1 , whereinthe space between the nanoparticles is less than about 1000 nm, and the size of the nanoparticle is more than about 60 nm.8. The solar cell of claim 1 , whereinthe space between the nanoparticles is less than about 1000 nm, and the size of the nanoparticles is more than about 100 nm.9. The solar cell of claim 1 , whereinthe nanoparticles include at least one of: gold (Au), silver (Ag), platinum (Pt), aluminum (Al), tungsten (W), and vanadium (V).10. A solar cell comprising:a first reflective electrode layer and ...

Gas injection device and solar cell manufacturing method using the same

A solar cell manufacturing method includes forming a first electrode on a substrate, forming a mixed metal layer on the first electrode, forming a light absorbing layer by injecting hydrogen selenide on the entire surface of the mixed metal layer using a gas injection device, and forming a second electrode on the light absorbing layer. Further, the gas injection device includes a gas pipeline, an inner gas pipe positioned in the gas pipeline and having an opening, and a plurality of injection nozzles disposed below the gas pipeline.

SCRIBING APPARATUS FOR MANUFACTURING SOLAR CELLS

A scribing apparatus for manufacturing a solar cell, and a method of manufacturing a solar cell using the same are provided. The scribing apparatus includes a stage part configured to support a substrate having at least one thin film layer, a scribing unit configured to scribe on the at least one thin film layer, and a moving unit configured to move at least one of the stage part and the scribing unit during the scribing process. A method of manufacturing a solar cell using the scribing apparatus includes scribing a first pattern onto a reflective electrode layer using the scribing apparatus, the reflective electrode layer being on the substrate, the scribing apparatus further including a needle installation part having a first needle configured to scribe on one side of the reflective electrode layer, and a second needle configured to scribe on a side surface of the reflective electrode layer. 1. A scribing apparatus for manufacturing a solar cell , comprising:a stage part configured to support a substrate, the substrate comprising at least one thin film layer;a scribing unit configured to scribe on the at least one thin film layer on the substrate; anda moving unit configured to move at least one of the stage part and the scribing unit during the scribing process on the at least one thin film layer.2. The scribing apparatus of claim 1 , wherein the scribing unit comprises: a first needle configured to scribe on one side of the at least one thin film layer on the substrate, and', 'a second needle configured to scribe on a side surface of the at least one thin film layer created by a scribing line of the first needle., 'a needle installation part comprising'}3. The scribing apparatus of claim 2 , wherein the first needle and the second needle are cylindrical or hexahedral shaped claim 2 , each having a thinned end portion in a direction away from the needle installation part.4. The scribing apparatus of claim 3 , wherein a cross-section of each end portion of the ...

SOLAR CELL

A solar cell according to an example embodiment includes: a substrate; a first electrode formed on the substrate; a photoactive layer formed on the first electrode and including sodium and potassium; a buffer layer formed on the photoactive layer; and a second electrode formed on the buffer layer. The photoactive layer includes an area where a content of sodium is greater than a content of potassium. 1. A solar cell comprising:a substrate;a first electrode on the substrate;a photoactive layer on the first electrode and comprising sodium and potassium;a buffer layer on the photoactive layer; anda second electrode on the buffer layer,wherein the photoactive layer comprises an area where a content of sodium is greater than a content of potassium.2. The solar cell of claim 1 , wherein a total amount of sodium and potassium comprised in the photoactive layer is greater than 1*10/cm.3. The solar cell of claim 1 , wherein the photoactive layer comprises a first area adjacent to the first electrode and a second area adjacent to the second electrode claim 1 ,a content of sodium is greater than a content of potassium in the second area, anda content of sodium is equal to or smaller than a content of potassium in the first area.4. The solar cell of claim 3 , wherein a depth of the second area is greater than a width of a space charge region.5. The solar cell of claim 1 , wherein the first electrode comprises molybdenum and the second electrode comprises IZO claim 1 , ITO claim 1 , and/or AZO.6. The solar cell of claim 1 , wherein the photoactive layer comprises a CIGS-based material.7. The solar cell of claim 1 , wherein the substrate is formed of soda-lime glass.8. The solar cell of claim 1 , wherein the content of sodium is configured with the content of potassium in the photoactive layer to passivate a defect caused by a doner in the photoactive layer.9. A method of forming a solar cell claim 1 , the method comprising:forming a first electrode on a substrate;forming a ...

FLEXIBLE RECHARGEABLE BATTERY

A flexible rechargeable battery includes a first conductive member including a first resin layer, a first barrier layer, a second resin layer, a first electrode current collector layer, and a first electrode coating layer that are sequentially layered from an outer side thereof, a second conductive member that faces the first conductive member, the second conductive member including a third resin layer, a second barrier layer, a fourth resin layer, a second electrode current collector layer, and a second electrode coating layer that are sequentially layered from an outer side thereof, and a sealing portion located on edges of the first conductive member and the second conductive member. The sealing portion is made of a metallic material. 1. A flexible rechargeable battery , comprising:a first conductive member including a first resin layer, a first barrier layer, a second resin layer, a first electrode current collector layer, and a first electrode coating layer that are sequentially layered from an outer side thereof;a second conductive member that faces the first conductive member, the second conductive member including a third resin layer, a second barrier layer, a fourth resin layer, a second electrode current collector layer, and a second electrode coating layer that are sequentially layered from an outer side thereof; anda sealing portion located on edges of the first conductive member and the second conductive member,wherein the sealing portion is made of a metallic material.2. The flexible rechargeable battery as claimed in claim 1 , wherein the sealing portion includes at least one selected from tin claim 1 , zinc claim 1 , copper claim 1 , aluminum claim 1 , nickel claim 1 , silver claim 1 , indium claim 1 , antimony claim 1 , bismuth claim 1 , and an alloy thereof.3. The flexible rechargeable battery as claimed in claim 1 , further comprising:an electrode assembly provided between the first conductive member and the second conductive member, the electrode ...

FLEXIBLE RECHARGEABLE BATTERY

A battery includes a conductive substrate, the conductive substrate including a first resin layer, a barrier layer, a second resin layer, a first electrode current collector layer, and a first electrode coating layer that are sequentially stacked inward from an outermost side of the battery, an exterior member disposed to face the conductive substrate, a sealing portion formed at edges of the conductive substrate and the exterior member, and at least one second inner electrode positioned between the conductive substrate and the exterior member and stacked using a separator as a border. 1. A battery , comprising:a conductive substrate, the conductive substrate including a first resin layer, a barrier layer, a second resin layer, a first electrode current collector layer, and a first electrode coating layer that are sequentially stacked inward from an outermost side of the battery;an exterior member disposed to face the conductive substrate;a sealing portion formed at edges of the conductive substrate and the exterior member; andat least one second inner electrode positioned between the conductive substrate and the exterior member and stacked using a separator as a border.2. The battery as claimed in claim 1 , wherein the at least one second inner electrode and at least one first inner electrode are alternately stacked using the separator as a border.3. The battery as claimed in claim 1 , wherein the second resin layer includes a plurality of conducting portions.4. The battery as claimed in claim 1 , wherein the sealing portion is formed on edges of the first electrode current collector layer and the exterior member.5. The battery as claimed in claim 1 , wherein the sealing portion is formed on edges of the second resin layer and the exterior member.6. The battery as claimed in claim 1 , wherein the sealing portion is formed on edges of the barrier layer and the exterior member.7. The battery as claimed in claim 1 , wherein the sealing portion is formed on edges of ...

SOLAR CELL

A solar cell including a substrate; a first electrode on the substrate; an intermediate connection layer on the first electrode, the intermediate layer including a first region and a third region; a light absorbing layer on the third region of the intermediate connection layer; and a wire on the first region of the intermediate connection,wherein a thickness of the first region of the intermediate connection layer is different from a thickness of the third region of the intermediate connection layer. 1. A solar cell , comprising:a substrate;a first electrode on the substrate;an intermediate connection layer on the first electrode, the intermediate layer including a first region and a third region;a light absorbing layer on the third region of the intermediate connection layer; anda wire on the first region of the intermediate connection,wherein a thickness of the first region of the intermediate connection layer is different from a thickness of the third region of the intermediate connection layer.2. The solar cell as claimed in claim 1 , wherein the thickness of the first region of the intermediate connection layer is thinner than the thickness of the third region of the intermediate connection layer.3. The solar cell as claimed in claim 2 , wherein the intermediate connection layer further includes a second region claim 2 , the second region being uncovered by the light absorbing layer and the wire and being between the first region and the third region.4. The solar cell as claimed in claim 3 , wherein the second region of the intermediate connection layer has a thickness that is about equal to the thickness of the first region of the intermediate connection layer.5. The solar cell as claimed in claim 3 , wherein the second region of the intermediate connection layer has a thickness that is about equal to the thickness of the third region of the intermediate connection layer.6. The solar cell as claimed in claim 3 , wherein the second region of the intermediate ...

Semiconductor electrode, method of manufacturing the same, and solar cell employing the same

Provided are a continuous-phase semiconductor electrode that can provide better photoelectric conversion efficiency by improving a pathway for electron transport, a method of manufacturing the same, and a solar cell employing the same. The semiconductor electrode includes a transparent conductive electrode, formed on a substrate, including a metal or a metal nitride; and a metal oxide layer continuously formed on the transparent conductive electrode.

Compound semiconductor image sensor

A stack-type image sensor using a compound semiconductor. The stack-type image sensor includes a stack of photoelectric conversion units which are sequentially arranged in a light incident direction and which absorb light in ascending order of a wavelength from shortest to longest.

Solar cell

A solar cell according to an example embodiment includes: a substrate; a first electrode formed on the substrate; a photoactive layer formed on the first electrode and including sodium and potassium; a buffer layer formed on the photoactive layer; and a second electrode formed on the buffer layer. The photoactive layer includes an area where a content of sodium is greater than a content of potassium.

Flexible solar cell and method of producing the same

Provided are a cylindrical flexible solar cell which is made of only flexible materials so that the cell can freely bend, has a cylindrical shape which allows the cell to absorb solar light at any angle of illumination, and has a large surface area and high efficiency; and a method of producing the same.

Tandem photovoltaic device and fabrication method thereof

Disclosed herein is a tandem photovoltaic device comprising two or more photovoltaic layers laminated to each other, each of which including a semiconductor electrode, an electrolyte layer and a counter electrode. A counter electrode of the upper photovoltaic layer is patterned in a grid shape so as to include a plurality of light-transmitting portions, which permit transmission of light to the lower photovoltaic layer. The tandem photovoltaic device has the advantages of high power conversion efficiency and degree of integration. Advantageously, the tandem photovoltaic device can reduce electric power generation costs. Further disclosed is a method for fabricating the tandem photovoltaic device.

Flexible rechargeable battery

Flexible rechargeable battery

A battery includes a conductive substrate, the conductive substrate including a first resin layer, a barrier layer, a second resin layer, a first electrode current collector layer, and a first electrode coating layer that are sequentially stacked inward from an outermost side of the battery, an exterior member disposed to face the conductive substrate, a sealing portion formed at edges of the conductive substrate and the exterior member, and at least one first inner electrode positioned between the conductive substrate and the exterior member and stacked using a separator as a border.

Flexible rechargeable battery

Novel hole transporting material and solid electrolyte to be applied in a photovoltaic device

Disclosed herein is a material, and a solid electrolyte and a photovoltaic device using the same. When the material is used as a hole transporting layer material of the photovoltaic device, the reduction of an electrolytic layer resulting from leakage or volatilization of an electrolytic solution is prevented, thus the battery characteristics, long-term stability, and reliability of the photovoltaic device are improved.

Band assembly

Gas injection device and solar cell manufacturing method using the same

A solar cell manufacturing method includes forming a first electrode on a substrate, forming a mixed metal layer on the first electrode, forming a light absorbing layer by injecting hydrogen selenide on the entire surface of the mixed metal layer using a gas injection device, and forming a second electrode on the light absorbing layer. Further, the gas injection device includes a gas pipeline, an inner gas pipe positioned in the gas pipeline and having an opening, and a plurality of injection nozzles disposed below the gas pipeline.